<template>
  <div class="login-wrap">
    <el-form
      label-position="left"
      :model="ruleForm"
      :rules="rules"
      ref="ruleForm"
      label-width="0px"
      class="demo-ruleForm login-container"
    >
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input
          type="text"
          v-model="ruleForm.username"
          auto-complete="off"
          placeholder="账号"
        ></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          type="password"
          v-model="ruleForm.password"
          auto-complete="off"
          placeholder="密码"
        ></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input
              type="text"
              v-model="ruleForm.code"
              auto-complete="off"
              placeholder="图形验证码"
              @keyup.enter.native="submitForm('ruleForm')"
            ></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img
            :src="ruleForm.codeimg"
            alt=""
            class="codeimg"
            @click="getcode()"
          />
        </el-col>
      </el-row>
      <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox>
      <el-form-item style="width: 100%">
        <el-button
          type="primary"
          style="width: 100%"
          @click="submitForm('ruleForm')"
          :loading="logining"
          >登录</el-button
        >
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
import { req } from "@/api/axiosFun";
export default {
  name: "login",
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: true,
      ruleForm: {
        //username和password默认为空
        username: "admin",
        password: "sys@123456",
        code: "",
        randomStr: "",
        codeimg: "",
      },
      vcode: "",
      //rules前端验证
      rules: {
        username: [{ required: true, message: "请输入账号", trigger: "blur" }],
        password: [{ required: true, message: "请输入密码", trigger: "blur" }],
        code: [{ required: true, message: "请输入验证码", trigger: "blur" }],
      },
    };
  },
  // 创建完毕状态(里面是操作)
  created() {
    if (!this.$jsutils.isempty(this.$jsutils.sessionget("token"))) {
      this.$router.push({ path: "/index" });
    } else {
      // 获取图形验证码
      this.getcode();
      // 获取存在本地的用户名密码
      this.getuserpwd();
    }
  },
  // 里面的函数只有调用才会执行
  methods: {
    getcode() {
      req("get", "/CommonApi/GetVerification", {})
        .then((x) => {
          if (x.success) {
            this.ruleForm.codeimg = "data:image/gif;base64," + x.data.images;
            this.vcode = x.data.vcode;
          }
        })
        .catch((x) => {
          console.info(x);
        });
    },

    // 获取用户名密码
    getuserpwd() {
      if (
        !this.$jsutils.isempty(this.$jsutils.storageget("user")) &&
        !this.$jsutils.isempty(this.$jsutils.storageget("pwd"))
      ) {
        this.ruleForm.username = this.$jsutils.storageget("user");
        this.ruleForm.password = this.$jsutils.storageget("pwd");
        this.rememberpwd = true;
      }
    },
    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.logining = true;

          let data = {
            UserNo: this.ruleForm.username,
            Pwd: this.ruleForm.password,
            Vcode: this.vcode,
            Code: this.ruleForm.code,
          };
          // 注释
          req("post", "/LoginApi/Login", data).then((res) => {
            if (res.success) {
              if (this.rememberpwd) {
                this.$jsutils.storageset("user", this.ruleForm.username);
                this.$jsutils.storageset("pwd", this.ruleForm.password);
              } else {
                this.$jsutils.storageremove("user");
                this.$jsutils.storageremove("pwd");
              }

              //如果请求成功就让他2秒跳转路由
              setTimeout(() => {
                this.logining = false;
                this.$jsutils.sessionset("token", res.data);
                this.$router.push({ path: "/index" });
              }, 1000);
            } else {
              this.$message.error(res.data);
              this.logining = false;
              return false;
            }
          });
        } else {
          // 获取图形验证码
          this.getcode();
          this.$message.error("请输入用户名密码！");
          this.logining = false;
          return false;
        }
      });
    },
  },
};
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  background-image: url();
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  height: 40px;
}
</style>